Below are some official numbers from different geofilter campaigns that have been done. Keep in mind a few things: a) If you do a filter in an area with a larger population, or where an event is going on, the views will be greater; b) The minimum area to cover is 200,000 square feet and the maximum is 5M square feet; c) The minimum cost for a geofilter is $5.
We have much more data than that, but that is just a sample to illustrate the variance that can occur with Snapchat geofilter CPMs. Now, here is some data for CPMs using influencer sponsorships through Snapchat:
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